<template>
  <div class="login">
    <div class="login-title">
      <img src="/src/assets/images/login-title.png" alt="">
    </div>
    <div class="login-form-box">
      <div class="left-img">
        <img src="https://cxdy-alarm.oss-cn-hangzhou.aliyuncs.com/assets/images/login-left.png" alt="">
      </div>
      <el-form ref="loginRef" :model="loginForm" :rules="loginRules" class="login-form">
        <h3 class="title">用户登录</h3>
        <el-form-item prop="username">
          <el-input v-model="loginForm.username" type="text" size="large" auto-complete="off"
            placeholder="请输入消防员证号/身份证号/手机号">
            <template #prefix><svg-icon icon-class="user" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="loginForm.password" type="password" size="large" auto-complete="off" placeholder="请输入密码"
            @keyup.enter="handleLogin">
            <template #prefix><svg-icon icon-class="password" class="el-input__icon input-icon" /></template>
          </el-input>
        </el-form-item>
        <el-form-item prop="code" v-if="captchaEnabled">
          <div class="login-code-wrap">
            <el-input v-model="loginForm.code" size="large" auto-complete="off" placeholder="请输入验证码"
              @keyup.enter="handleLogin">
              <template #prefix><svg-icon icon-class="validCode" class="el-input__icon input-icon" /></template>
            </el-input>
            <div class="login-code">
              <img :src="codeUrl" @click="getCode" class="login-code-img" />
            </div>
          </div>
        </el-form-item>
        <!-- <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox> -->
        <el-form-item style="width:100%;margin-top: 47px;">
          <el-button class="submit-btn" :loading="loading" size="large" type="primary" style="width:100%;"
            @click.prevent="handleLogin">
            <span v-if="!loading">登 录</span>
            <span v-else>登 录 中...</span>
          </el-button>
          <div style="float: right;" v-if="register">
            <router-link class="link-type" :to="'/register'">立即注册</router-link>
          </div>
        </el-form-item>
      </el-form>
    </div>
    <!--  底部  -->
    <!-- <div class="el-login-footer">
      <span>Copyright © 2018-2023 疯狂的狮子Li All Rights Reserved.</span>
    </div> -->
  </div>
</template>

<script setup>
import { getCodeImg } from "@/api/login";
import Cookies from "js-cookie";
import { encrypt, decrypt } from "@/utils/jsencrypt";
import useUserStore from '@/store/modules/user'
import { ElMessageBox } from 'element-plus'

const userStore = useUserStore()
const router = useRouter();
const { proxy } = getCurrentInstance();

const loginForm = ref({
  username: "",
  password: "",
  rememberMe: false,
  code: "",
  uuid: ""
});

const loginRules = {
  username: [{ required: true, trigger: "blur", message: "请输入您的账号" }],
  password: [{ required: true, trigger: "blur", message: "请输入您的密码" }],
  code: [{ required: true, trigger: "change", message: "请输入验证码" }]
};

const codeUrl = ref("");
const loading = ref(false);
// 验证码开关
const captchaEnabled = ref(true);
// 注册开关
const register = ref(false);
const redirect = ref(undefined);

function handleLogin() {
  proxy.$refs.loginRef.validate(valid => {
    if (valid) {
      loading.value = true;
      // 勾选了需要记住密码设置在 cookie 中设置记住用户名和密码
      if (loginForm.value.rememberMe) {
        Cookies.set("username", loginForm.value.username, { expires: 30 });
        Cookies.set("password", encrypt(loginForm.value.password), { expires: 30 });
        Cookies.set("rememberMe", loginForm.value.rememberMe, { expires: 30 });
      } else {
        // 否则移除
        Cookies.remove("username");
        Cookies.remove("password");
        Cookies.remove("rememberMe");
      }
      // 调用action的登录方法
      userStore.login(loginForm.value).then(() => {
        ElMessageBox.confirm('账号将于2024年12月31日过期', '提示', {
          confirmButtonText: '确定',
          showCancelButton: false,
          type: 'warning'
        }).then(() => {
          router.push({ path: redirect.value || "/" });
        }).catch(() => {
          loading.value = false;
          userStore.logOut().then(() => {
            location.href = import.meta.env.VITE_APP_CONTEXT_PATH + 'index';
          })
        });
      }).catch(() => {
        loading.value = false;
        // 重新获取验证码
        if (captchaEnabled.value) {
          getCode();
        }
      });
    }
  });
}

function getCode() {
  getCodeImg().then(res => {
    captchaEnabled.value = res.data?.captchaEnabled === undefined ? true : res.data.captchaEnabled;
    if (captchaEnabled.value) {
      codeUrl.value = "data:image/gif;base64," + res.data.img;
      loginForm.value.uuid = res.data.uuid;
    }
  });
}

function getCookie() {
  const username = Cookies.get("username");
  const password = Cookies.get("password");
  const rememberMe = Cookies.get("rememberMe");
  loginForm.value = {
    username: username === undefined ? loginForm.value.username : username,
    password: password === undefined ? loginForm.value.password : decrypt(password),
    rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
  };
}

getCode();
getCookie();
</script>

<style lang='scss' scoped>
.login {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-image: url("https://cxdy-alarm.oss-cn-hangzhou.aliyuncs.com/assets/images/login-bg.png");
  background-size: cover;
}

.login-title {
  position: absolute;
  top: 20px;
  left: 86px;
  width: 824px;
  // height: 124px;

  img {
    width: 100%;
    height: 100%;
  }
}

.login-form-box {
  display: flex;
  align-items: stretch;
  height: 560px;

  .left-img {
    img {
      width: 605px;
      height: 100%;
    }
  }
}


.login-form {
  background: #ffffff;
  padding: 58px 93px;
  width: 575px;

  .title {
    margin: 0px auto 30px auto;
    text-align: center;
    color: #707070;
    margin-bottom: 46px;
    font-weight: bold;
  }

  .el-form-item {
    margin-bottom: 32px;
  }

  // :deep(.el-form-item--default) {
  //   margin-bottom: 32px;
  // }

  .el-input {
    height: 48px;

    input {
      height: 48px;
    }
  }

  .input-icon {
    height: 39px;
    width: 14px;
    margin-left: 0px;
  }
}

.login-tip {
  font-size: 13px;
  text-align: center;
  color: #bfbfbf;
}

.login-code-wrap {
  display: flex;
  justify-content: space-between;

  .login-code {
    height: 48px;

    img {
      margin-left: 29px;
      height: 100%;
      cursor: pointer;
      vertical-align: middle;
    }

    .login-code-img {
      height: 48px;
    }
  }

}

.submit-btn {
  height: 44px;
  background: linear-gradient(180deg, #45BCFF 0%, #0090E1 100%);
  border-radius: 4px 4px 4px 4px;
}

.el-login-footer {
  height: 44px;
  line-height: 44px;
  position: fixed;
  bottom: 0;
  width: 100%;
  text-align: center;
  color: #fff;
  font-family: Arial;
  font-size: 12px;
  letter-spacing: 1px;
}
</style>
